2 * File handling functions
4 * Copyright 1993 Erik Bos
5 * Copyright 1996 Alexandre Julliard
6 * Copyright 2003 Eric Pouech
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 #include "wine/port.h"
29 #define NONAMELESSUNION
30 #define NONAMELESSSTRUCT
38 #include "wine/unicode.h"
39 #include "wine/debug.h"
41 WINE_DEFAULT_DEBUG_CHANNEL(file);
43 #define MAX_PATHNAME_LEN 1024
45 /***********************************************************************
46 * GetFullPathNameW (KERNEL32.@)
48 * if the path closed with '\', *lastpart is 0
50 DWORD WINAPI GetFullPathNameW( LPCWSTR name, DWORD len, LPWSTR buffer,
53 return RtlGetFullPathName_U(name, len * sizeof(WCHAR), buffer, lastpart) / sizeof(WCHAR);
56 /***********************************************************************
57 * GetFullPathNameA (KERNEL32.@)
59 * if the path closed with '\', *lastpart is 0
61 DWORD WINAPI GetFullPathNameA( LPCSTR name, DWORD len, LPSTR buffer,
65 WCHAR bufferW[MAX_PATH];
70 SetLastError(ERROR_INVALID_PARAMETER);
74 if (!RtlCreateUnicodeStringFromAsciiz(&nameW, name))
76 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
80 retW = GetFullPathNameW( nameW.Buffer, MAX_PATH, bufferW, NULL);
84 else if (retW > MAX_PATH)
86 SetLastError(ERROR_FILENAME_EXCED_RANGE);
91 ret = WideCharToMultiByte(CP_ACP, 0, bufferW, -1, NULL, 0, NULL, NULL);
92 if (ret && ret <= len)
94 WideCharToMultiByte(CP_ACP, 0, bufferW, -1, buffer, len, NULL, NULL);
95 ret--; /* length without 0 */
99 LPSTR p = buffer + strlen(buffer) - 1;
103 while ((p > buffer + 2) && (*p != '\\')) p--;
106 else *lastpart = NULL;
111 RtlFreeUnicodeString(&nameW);
116 /***********************************************************************
117 * GetLongPathNameW (KERNEL32.@)
120 * observed (Win2000):
121 * shortpath=NULL: LastError=ERROR_INVALID_PARAMETER, ret=0
122 * shortpath="": LastError=ERROR_PATH_NOT_FOUND, ret=0
124 DWORD WINAPI GetLongPathNameW( LPCWSTR shortpath, LPWSTR longpath, DWORD longlen )
126 WCHAR tmplongpath[MAX_PATHNAME_LEN];
128 DWORD sp = 0, lp = 0;
130 BOOL unixabsolute = (shortpath[0] == '/');
131 WIN32_FIND_DATAW wfd;
136 SetLastError(ERROR_INVALID_PARAMETER);
141 SetLastError(ERROR_PATH_NOT_FOUND);
145 TRACE("%s,%p,%ld\n", debugstr_w(shortpath), longpath, longlen);
147 if (shortpath[0] == '\\' && shortpath[1] == '\\')
149 ERR("UNC pathname %s\n", debugstr_w(shortpath));
150 lstrcpynW( longpath, shortpath, longlen );
151 return strlenW(longpath);
154 /* check for drive letter */
155 if (!unixabsolute && shortpath[1] == ':' )
157 tmplongpath[0] = shortpath[0];
158 tmplongpath[1] = ':';
162 while (shortpath[sp])
164 /* check for path delimiters and reproduce them */
165 if (shortpath[sp] == '\\' || shortpath[sp] == '/')
167 if (!lp || tmplongpath[lp-1] != '\\')
169 /* strip double "\\" */
170 tmplongpath[lp++] = '\\';
172 tmplongpath[lp] = 0; /* terminate string */
178 if (sp == 0 && p[0] == '.' && (p[1] == '/' || p[1] == '\\'))
180 tmplongpath[lp++] = *p++;
181 tmplongpath[lp++] = *p++;
183 for (; *p && *p != '/' && *p != '\\'; p++);
184 tmplen = p - (shortpath + sp);
185 lstrcpynW(tmplongpath + lp, shortpath + sp, tmplen + 1);
186 /* Check if the file exists and use the existing file name */
187 goit = FindFirstFileW(tmplongpath, &wfd);
188 if (goit == INVALID_HANDLE_VALUE)
190 TRACE("not found %s!\n", debugstr_w(tmplongpath));
191 SetLastError ( ERROR_FILE_NOT_FOUND );
195 strcpyW(tmplongpath + lp, wfd.cFileName);
196 lp += strlenW(tmplongpath + lp);
199 tmplen = strlenW(shortpath) - 1;
200 if ((shortpath[tmplen] == '/' || shortpath[tmplen] == '\\') &&
201 (tmplongpath[lp - 1] != '/' && tmplongpath[lp - 1] != '\\'))
202 tmplongpath[lp++] = shortpath[tmplen];
205 tmplen = strlenW(tmplongpath) + 1;
206 if (tmplen <= longlen)
208 strcpyW(longpath, tmplongpath);
209 TRACE("returning %s\n", debugstr_w(longpath));
210 tmplen--; /* length without 0 */
216 /***********************************************************************
217 * GetLongPathNameA (KERNEL32.@)
219 DWORD WINAPI GetLongPathNameA( LPCSTR shortpath, LPSTR longpath, DWORD longlen )
221 UNICODE_STRING shortpathW;
222 WCHAR longpathW[MAX_PATH];
227 SetLastError(ERROR_INVALID_PARAMETER);
231 TRACE("%s\n", debugstr_a(shortpath));
233 if (!RtlCreateUnicodeStringFromAsciiz(&shortpathW, shortpath))
235 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
239 retW = GetLongPathNameW(shortpathW.Buffer, longpathW, MAX_PATH);
243 else if (retW > MAX_PATH)
245 SetLastError(ERROR_FILENAME_EXCED_RANGE);
250 ret = WideCharToMultiByte(CP_ACP, 0, longpathW, -1, NULL, 0, NULL, NULL);
253 WideCharToMultiByte(CP_ACP, 0, longpathW, -1, longpath, longlen, NULL, NULL);
254 ret--; /* length without 0 */
258 RtlFreeUnicodeString(&shortpathW);
263 /***********************************************************************
264 * GetShortPathNameW (KERNEL32.@)
268 * longpath=NULL: LastError=ERROR_INVALID_PARAMETER, ret=0
269 * longpath="" or invalid: LastError=ERROR_BAD_PATHNAME, ret=0
271 * more observations ( with NT 3.51 (WinDD) ):
272 * longpath <= 8.3 -> just copy longpath to shortpath
274 * a) file does not exist -> return 0, LastError = ERROR_FILE_NOT_FOUND
275 * b) file does exist -> set the short filename.
276 * - trailing slashes are reproduced in the short name, even if the
277 * file is not a directory
278 * - the absolute/relative path of the short name is reproduced like found
280 * - longpath and shortpath may have the same address
283 DWORD WINAPI GetShortPathNameW( LPCWSTR longpath, LPWSTR shortpath, DWORD shortlen )
285 WCHAR tmpshortpath[MAX_PATHNAME_LEN];
287 DWORD sp = 0, lp = 0;
289 BOOL unixabsolute = (longpath[0] == '/');
290 WIN32_FIND_DATAW wfd;
293 WCHAR ustr_buf[8+1+3+1];
295 TRACE("%s\n", debugstr_w(longpath));
299 SetLastError(ERROR_INVALID_PARAMETER);
304 SetLastError(ERROR_BAD_PATHNAME);
308 /* check for drive letter */
309 if (!unixabsolute && longpath[1] == ':' )
311 tmpshortpath[0] = longpath[0];
312 tmpshortpath[1] = ':';
316 ustr.Buffer = ustr_buf;
318 ustr.MaximumLength = sizeof(ustr_buf);
322 /* check for path delimiters and reproduce them */
323 if (longpath[lp] == '\\' || longpath[lp] == '/')
325 if (!sp || tmpshortpath[sp-1] != '\\')
327 /* strip double "\\" */
328 tmpshortpath[sp] = '\\';
331 tmpshortpath[sp] = 0; /* terminate string */
336 for (p = longpath + lp; *p && *p != '/' && *p != '\\'; p++);
337 tmplen = p - (longpath + lp);
338 lstrcpynW(tmpshortpath + sp, longpath + lp, tmplen + 1);
339 /* Check, if the current element is a valid dos name */
340 if (tmplen <= 8+1+3+1)
342 memcpy(ustr_buf, longpath + lp, tmplen * sizeof(WCHAR));
343 ustr_buf[tmplen] = '\0';
344 ustr.Length = tmplen * sizeof(WCHAR);
345 if (RtlIsNameLegalDOS8Dot3(&ustr, NULL, NULL))
353 /* Check if the file exists and use the existing short file name */
354 goit = FindFirstFileW(tmpshortpath, &wfd);
355 if (goit == INVALID_HANDLE_VALUE) goto notfound;
357 strcpyW(tmpshortpath + sp, wfd.cAlternateFileName);
358 sp += strlenW(tmpshortpath + sp);
361 tmpshortpath[sp] = 0;
363 tmplen = strlenW(tmpshortpath) + 1;
364 if (tmplen <= shortlen)
366 strcpyW(shortpath, tmpshortpath);
367 TRACE("returning %s\n", debugstr_w(shortpath));
368 tmplen--; /* length without 0 */
374 TRACE("not found!\n" );
375 SetLastError ( ERROR_FILE_NOT_FOUND );
379 /***********************************************************************
380 * GetShortPathNameA (KERNEL32.@)
382 DWORD WINAPI GetShortPathNameA( LPCSTR longpath, LPSTR shortpath, DWORD shortlen )
384 UNICODE_STRING longpathW;
385 WCHAR shortpathW[MAX_PATH];
390 SetLastError(ERROR_INVALID_PARAMETER);
394 TRACE("%s\n", debugstr_a(longpath));
396 if (!RtlCreateUnicodeStringFromAsciiz(&longpathW, longpath))
398 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
402 retW = GetShortPathNameW(longpathW.Buffer, shortpathW, MAX_PATH);
406 else if (retW > MAX_PATH)
408 SetLastError(ERROR_FILENAME_EXCED_RANGE);
413 ret = WideCharToMultiByte(CP_ACP, 0, shortpathW, -1, NULL, 0, NULL, NULL);
416 WideCharToMultiByte(CP_ACP, 0, shortpathW, -1, shortpath, shortlen, NULL, NULL);
417 ret--; /* length without 0 */
421 RtlFreeUnicodeString(&longpathW);